I think that while those terms aren't all general knowledge across Australia, many Australians have learned that when they hear an unknown, non-English-sounding word in a context that suggests it may be the local equivalent of "koori", that's probably what it is.

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A term for an Aboriginal person, in use in the southeastern part of Australia. It is not derogatory and many refer to themselves as Kooris rather than Aborigines. There is a newspaper titled 'The Koori Mail'.